Hunt Valley, Maryland (25 April 2016)—EA Engineering, Science, and Technology, Inc., PBC (EA), a leading provider of
interdisciplinary environmental services, announced today that it has been awarded a contract with Harford County, Maryland to provide Open-End
Environmental Monitoring Services. The contract has a joint maximum value of $750,000 to be executed by EA and two other consulting firms selected
through the same procurement. The contract has a 1-year initial period of performance, which may be extended for up to four additional 1-year
options, for a potential contract term of 5 years.

Under this contract, EA will support Harford County in complying with the requirements of its Municipal Separate Storm Sewer System
(MS4) permit and Total Maximum Daily Load reporting. EA may be tasked with developing, conducting, and reporting on sampling programs
focused on determining the effectiveness of various stormwater best management practices. This includes stormwater sampling, biological
and chemical monitoring, geomorphic and watershed assessments, geographic information system mapping, data interpretation, and statistical
analyses. All activities will be focused on controlling stormwater pollutant discharges from the County’s storm drain system to the maximum
extent possible, and on working toward meeting stormwater wasteload allocations for local water resources and the Chesapeake Bay.

“We are very pleased to be selected for this important contract with Harford County and to support the County as it meets the requirements
of its MS4 permit,” stated Jeffrey Boltz, Ph.D., Vice President and Program Manager. “Our highly experienced team looks forward to building
on prior successes to further improve the quality of Harford County’s water resources.”

Michael Battle, Senior Vice President and Chief Operating Officer, added, “EA is hard at work throughout Maryland helping municipalities,
counties, and state agencies cost-effectively address today’s stormwater management requirements. Our talented team of professionals will
leverage this experience to support the County as it seeks to maximize the effectiveness of its comprehensive stormwater management program.”

About EA Engineering, Science, and Technology, Inc., PBC

EA is a 100% ESOP-owned public benefit corporation that provides environmental, compliance, natural resources, and infrastructure engineering and
management solutions to a wide range of public and private sector clients. Headquartered in Hunt Valley, Maryland, EA employs more than 400
professionals through a network of 25 commercial offices across the continental United States, as well as Alaska, Hawaii, and Guam. In business for more
than 42 years, EA has earned an outstanding reputation for technical expertise, responsive service, and judicious use of client resources. For
more information about EA, visit www.eaest.com.